# Zerko vs Stackdown

The clearest difference is review sentiment: Zerko at 93% against Stackdown's 0%. Zerko also leads on ads (none vs shown) and chart position (#196 vs unranked). Stackdown's advantage is price (Free vs $2.99) and update cadence (every 8 days vs every 3 weeks). On in-app purchases and device support there is nothing between them.

Stackdown is free to download; Zerko costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Zerko ships an update every 3 weeks, Stackdown every 8 days. The most recent releases landed on September 30, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Zerko | Stackdown |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/zerko/id6470181559/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | **93.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#196** | — |
| Size | 100 MB | 13 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Maciej Targoni](https://appshunter.io/developer/495165602) | [Ikuhei Kure](https://appshunter.io/developer/1837581334) |

## What reviewers say

### Zerko

[App page](https://appshunter.io/ios/app/zerko/id6470181559)

**Currently charting:** #196 Top Paid · Casual (US App Store)

A relaxing puzzle game where you strategically place blocks to make all numbers on the board equal zero. Enjoy a no-pressure experience with calming audio and no in-app purchases or ads.

**Highlights:** Zero-sum number puzzles, Strategic block placement, Relaxing gameplay, No time pressure, No in-app purchases, No ads

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Stackdown

[App page](https://appshunter.io/ios/app/stackdown-word-tile-game/id6800591949)

Uncover six five-letter words hidden within a stack of tiles. Strategically select tiles, revealing new possibilities with each word found. Enjoy a daily puzzle, a vast archive, and practice modes, all playable offline.

**Highlights:** Uncover hidden five-letter words, Strategic tile selection, Daily puzzles and archive, Offline play, Spoiler-free sharing, Practice modes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Zerko free?

Zerko costs $2.99, with no in-app purchases.

### Is Stackdown free?

Stackdown is free to download, with no in-app purchases.

### Do Zerko or Stackdown have ads?

Stackdown shows ads; Zerko does not.

### Which is updated more often, Zerko or Stackdown?

Zerko ships an update every 3 weeks, and Stackdown every 8 days. Most recently, Zerko was updated on September 30, 2026 and Stackdown on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*